Logic Masters Deutschland e.V.

Rules:

The orange lines are Dutch Whisper lines. Adjacent digits along the line must have a difference of at least four.

The red line is a Parity line. Digits along the line must alternate parity.

The pink line is a Renban line. Digits on the line must form a set of consecutive digits, in any order.

The blue line is a Region Sum line. Box borders split the line into segments. Each segment must have the same sum.

The white dots separate consecutive digits.

The black dots separate digits in a 1:2 ratio.

The V's separate digits that add to 5.

The X separates digits that add to 10.

Play it on SudokuPad.